All profiles are reviewed and verified before they enter the final validation step. (bestsugardaddyapp.com)
Prior to moving the study to a second patient, Dr. Takahashi chose to delay the trial as part of a safety validation step and in consideration of anticipated regulatory changes to iPS cell research in Japan. (gladstone.org)
Most folks also have some trouble with the very strict epub validation step that Apple puts each epub file through. (sherprog.com)